Cartcast
in catalogCartcast is a live-commerce platform, sold once as source you deploy and run for merchants as your own branded SaaS. Each merchant drops a lightweight embed into their existing Shopify, WooCommerce or custom store and runs live shows with in-video checkout and shoppable replays — the shopper never leaves the merchant's site and pays through the merchant's own Stripe account. Every tenant is…
a product record inside saascode · content, creator & community
the build
Built on the line. The numbers on the right are measured from the build itself — files written, routes shipped, what broke.
At around 200 concurrent viewers on a live show, Vercel serverless function concurrency reached its ceiling. The whole site locked up — 15 to 30 seconds to serve any request. Meanwhile, Supabase was holding 69 of 120 available connections with zero active queries. The database was fine.
Read the build story →900
files
294
routes
62
tables
58
migrations
85
pages
116k
lines of code
changelog
changes ship to every owner's repo as opt-in updates
written about it
platform foundation
Like every saascode product, Cartcast ships on the fabric — the platform base included with every purchase.
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This is a product record from Inside the Fabric — where the saascode factory shows its work. Every catalog product keeps one.